2026-06-08T12:24:32Zhttps://docta.ucm.es/rest/oai/request
oai:docta.ucm.es:20.500.14352/1294852025-12-20T01:11:57Zcom_20.500.14352_14col_20.500.14352_15
Docta Complutense author Sánchez-Dávila, Jesús author Gavilán García, Rosario Gloria author Sánchez Mata, Daniel Pablo De La Cruz 2025-12-19T14:44:47Z 2025-12-19T14:44:47Z 2025 Sánchez‐Dávila J, Gavilán RG, Sánchez‐Mata D. Effects of landscape fragmentation at a fine scale on Mediterranean mountain grassland plant diversity. Ecosphere 2025;16:e70374. https://doi.org/10.1002/ecs2.70374 doi.org/10.1002/ecs2.70374 https://hdl.handle.net/20.500.14352/129485 https://doi.org/10.1002/ecs2.70374 European mountain grasslands are affected by abandonment and are being colo-nized by shrubs and forest. Grassland fragmentation is caused when the forest matrix grows, and surrounding grassland is split into fragments. Multiple studies have been done on grassland fragmentation but in anthropic matrices. Grassland isolation would not be a constraint for plant dispersion since the dis-tance between grassland fragments is usually short. However, when they are abandoned, the surrounding forest can change the environmental characteristics and small fragments can disappear. We studied abandoned Mediterranean mountain grasslands in an oak forest matrix. We surveyed the grassland com-munities and their soil properties in multiple fragments of different sizes and isolation distances. We classified the grassland species into different groups by habitat preference and life form and calculated the landscape fragmentation var-iables. We analyzed the effect of fragmentation on the richness of the grassland groups and communities. Results showed that the fragmentation variables did not have any effect on the grasslands, except at the extreme ends of the gradient of the vegetation succession. The smallest grasslands favored perennial and wet-ter species over annual or drier species due to wetter soil conditions and less availability of light. Annual species are more abundant in southern aspect frag-ments with drier conditions across the fragments. The lack of connectivity among fragments is not a problem for grassland communities at a fine scale. Annual and drier grassland species remain even in the smallest fragments, but their conservation requires maintaining a minimum fragment size more than it does landscape connectivity. eng Attribution 4.0 International Effects of landscape fragmentation at a fine scale on Mediterranean mountain grassland plant diversity journal article 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URL https://docta.ucm.es/bitstreams/8b14b795-787a-47f5-a980-d1abb1277d99/download File MD5 298a5a0260c7090032d8c9ad1c1bb128 2481848 application/pdf Effects of landscape fragmentation at a fine scale on Mediterranean mountain grassland plant diversity_final.pdf